Which two charges have a sum of 0?
a) +7 charge and +7 charge
b) −7 charge and −7 charge
c) +7 charge and −7 charge
d) +7 charge and 0 charge

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18